Home / 830,044.60-1,246,233.30-515,116.60

Finding the Fourth Proportional to 830,044.60, 1,246,233.30 and 515,116.60

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Solution

The fourth proportional to 830,044.60, 1,246,233.30 and 515,116.60 is: 773,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,044.60 : 1,246,233.30 = 515,116.60 : x
  2. Step 2: Convert to fraction form
    830,044.60/1,246,233.30 = 515,116.60/x
  3. Step 3: Cross multiply
    830,044.60x = 1,246,233.30 × 515,116.60
  4. Step 4: Simplify right side
    830,044.60x = 641,955,460,302.78
  5. Step 5: Solve for x
    x = 641,955,460,302.78/830,044.60
  6. Step 6: Final answer
    x = 773,398.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.